What is an equation that models the sequence 400, 200, 100, 50, ?

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly